[02:38.38]The United Nations is moving about half of its international staff out of Syria because of concerns for their safety.
[02:45.08]The decision comes after mortar shells fell near a hotel used by UN staff in the capital Damascus.
[02:51.70]The building and UN vehicle were damaged.
[02:54.59]The organisation has 100 foreign staff in Syria.
[02:57.52]World News from the BBC
[03:00.17]An aide to the prime minister of Haiti has been killed in a drive by shooting in the capital Port-au-Prince.
[03:06.61]Georges Henry Honorat was shot dead outside his home by two masked men on a motorcycle.
[03:12.01]Mr Honorat also worked as the editor-in-chief of a newspaper and as secretary general of the Popular National Party.
[03:18.59]The internet company Yahoo has bought an application created by a British teenager in a deal reported to be worth tens of millions of dollars.
[03:28.16]Called Summly, the app summarises news stories from media companies.
[03:32.68]It was created two years ago by 17-year-old Nick D'Aloisio who lives in London.
[03:37.41]He told the BBC what the app can do.
[03:40.12]"Summly is an iPhone app that I launched in November and what we are doing is to build a summarisation technology
[03:46.37]that can take any news article and automatically summarise it into these paragraphs.